3.73 gear installation problems
I recently bought a 2011 5.0 with 3.73 gears and figured an upgrade to 3.73 would be ideal. My mechanic has installed the ford racing gears and is having a heck of a time eliminating the whine from the gears, has anyone experienced any of these problem? any advice would be helpful.
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Bought it with 3.73s and upgraded to 3.73s? I hope its a typo. Also what kind of mechanic is he? A local repair shop, or ford specialty performance shop?
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Originally Posted by grabber blue gt
(Post 7265428)
Bought it with 3.73s and upgraded to 3.73s? I hope its a typo. Also what kind of mechanic is he? A local repair shop, or ford specialty performance shop?
Whine comes from incorrect installation/balancing. Whatever you want to call it. |
to my knowledge, once the wear pattern sets in after a few miles of driving it is impossible to loose the whine on that set of gears, you have to install a new set. someone correct me if i'm wrong.
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Originally Posted by JeremyAlan
(Post 7265525)
to my knowledge, once the wear pattern sets in after a few miles of driving it is impossible to loose the whine on that set of gears, you have to install a new set. someone correct me if i'm wrong.
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Originally Posted by JeremyAlan
(Post 7265525)
to my knowledge, once the wear pattern sets in after a few miles of driving it is impossible to loose the whine on that set of gears, you have to install a new set. someone correct me if i'm wrong.
What I have been told as well. Gear whine is not uncommon. If this installer is having issues, you may want to find someone else more accomplished. |
Sorry 3.31 is Wat I had and tried to upgrade to 3.73, he's a local mechanic that specializes in mustangs or so I thought
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From I've learned about gears and gear whine, the whining comes from the gears being shimmed improperly. Once they start whining there's a good chance that a pattern has been worn into the gears and they'll need to be replaced.
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If they are Ford Racing brand gears you can retain the original pinion and carrier shims and it will be to spec. I did my own and the install went perfect. More than likely the pinion bearing preload is not correct.
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How much of a difference did you notice going from 3.31s to 3.73s?
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